How to Install a Blower Motor Resistor on a Chevy Trailblazer


The Chevrolet Trailblazer's blower motor resistor is located under the glove box. It is held in place by two small screws that can be removed with a Philips screwdriver. Once removed, you can pull off the old resistor and install a new one in a matter of minutes.

Things You'll Need

  • Wrench
  • Philips screwdriver
  • Park the Trailblazer and turn off the engine. Use a wrench to disconnect the negative cable from the battery.

  • Uninstall the two cover screws under the glove box with a Philips screwdriver. Take off the cover.

  • Pull out the old resistor and install a new one. Make sure to remove the resistor's connector before removing it.

  • Reinstall the cover. Reinstall the two bolts and reattach the negative cable to the Trailblazer's battery. Close the hood.

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